Test Code Test Name
MG Magnesium
197418 Magnesium, 24-Hour Urine (without creatinine), AA [19741X]
14460 Magnesium, Random Urine (with Creatinine), AA [19743X]
623 Magnesium, RBC
MALGP Malaria Group
831 Malaria/Babesia/Other Blood Parasites
626 Manganese, Blood
13577 Marijuana Metabolite, Quantitative, Urine [26514X]
UMARJ Marijuana, Urine - Screen
5059 Maternal Serum AFP
39306 Measles (Rubeola) Virus, Qualitative Real-Time PCR, Nasopharyngeal/Throat
34256 Measles Antibody (IgM)
631 Melanin
CFMEP Meningitis/Encephalitis CSF PCR Panel
411 Meperidine, Serum
636 Mercury, Blood
19548 Metanephrines, Fractionated, Free, LC/MS/MS, Plasma
14962 Metanephrines, Fractionated, LC/MS/MS, 24-Hour Urine
149618 Metanephrines, Fractionated, LCMSMS, Random Urine [14961X]
15714 Methadone and Metabolite, Urine
2082 Methadone, Quantitative, Serum [3258X]
MTHNL Methanol
METHO Methotrexate
17911 Methylenetetrahydrofolate Reductase (MTHFR), DNA Mutation Analysis
34879 Methylmalonic Acid
91032 Methylmalonic Acid, Urine with Creatinine
4934 Mexiletine, Serum/Plasma
779 Minimum Inhibitory Concentration (MIC) [651X]
30321 Mitochondria M2 Antibody (IgG), EIA
17325 MOCA, Urine
GRPA Molecular Group A Strep Throat
MOLEP Molecular Panel
Z1634 Molybdenum
MONOS Monoscreen
MSEBV Monoscreen Reflex EBVII Panel
6215 Morphine, Free (Unconjugated), Serum
MPL MPL Mutation Analysis
12084 Mpox Virus DNA, Qualitative Real-Time PCR
PMRPD MRPDA Urine Drug Screen
36565 Mumps Virus Antibody (IgM)
MUMPG Mumps Virus Antibody, IgG
18842 MuSK Antibody Test
15109 MVista® Blastomyces Antigen Quantitative EIA
58792 MVista® Histoplasma Antigen Quantitative EIA
8518 Mycobacteria, Culture, Identification, and Susceptibility, Blood
12812 Mycobacteria, Culture, Smear, Identification, and Susceptibility
TBPCR Mycobacterium tuberculosis complex (MTB) with Rifampin (RIF) resistance
10662 Mycophenolic Acid, LC/MS/MS
871 Mycoplasma hominis/Ureaplasma Culture
659 ⁠⁠⁠⁠⁠⁠⁠Mycoplasma pneumoniae Antibody (IgG)
21130 Mycoplasma pneumoniae Antibody (IgM)
663 Myelin Basic Protein
37438 Myelin-Associated Glycoprotein (MAG) Antibody (IgM), EIA
8796 Myeloperoxidase Antibody
660 Myoglobin, Serum
13834 Myoglobin, Urine
94777 Myositis Specific 11 Antibody Panel